21
Power-Flo Pumps & Systems • 877-24PUMPS • www.powerflopumps.com
Position bearing squarely onto the shaft
applying force to the inner race of the
bearing only, until bearing seats against
shoulder of the shaft. Replace retaining
rings (15) onto shaft. Replace top bearing
(12) in the same manner.
Motor -
Inspect windings for shorts
and resistance. Check the continuity
between the black and white wires of
the temperature sensor. If found to be
defective contact factory. Check rotor for
wear, if rotor (6) or the stator (7) windings
are defective, the complete motor must
be replaced. Check that moisture sensor
wires are secured to the electrode (36).
Motor Reassembly -
Slide lower bearing
and motor assembly into the bearing
bracket (3) until bearing seats on the
bottom. Position bearing cap (
on some
models
) on bearing bracket, insert screws
(19) with washers (20) and tighten to 16
ft. lbs.
On other models
, insert retaining ring
(8) into bearing bracket (3). Position
motor and bearing assembly into pilot in
motor housing (1) while feeding motor
leads through opening in top of motor
housing. Assemble upper seal as outlined
above.
Place o-ring (21) on motor housing (1)
then intermediate (2), being careful not
to damage o-ring. Insert screws (17)
with washers (18) and tighten. Assemble
lower seal as outlined above. Reassemble
remainder of pump and fill with cooling
oil.
Discharge Flange -
Remove or replace
discharge flang (56) by removing socket
head screws (55), hex nuts (53) and
washers (54).
Service
PF4SCC, 4SCD, 4SCE, 4SCF
Submersible Cutter Pumps
